package com.syxp.pda.core.util;

public class Operation {

	public static final String EQUAL = "EQ" ;
	public static final String GE = "GE" ;//大于等于
	public static final String GT = "GT" ;//大于
	public static final String LE = "LE" ;//小于等于
	public static final String LT = "LT" ;//小于
	public static final String LIKE = "LIKE" ; 
	public static final String NEQUAL = "NE" ;//不等于 ;
	public static final String IN = "IN" ;//in
	public static final String BETWEEN = "BT" ;//between 
	public static final String ISNULL = "ISNULL" ;//为空
	public static final String ISNOTNULL = "ISNOTNULL" ;//非空
	public static final String ISEMPTY = "ISEMPTY" ;//为空字符串
	public static final String ISNOTEMPTY = "ISNOTEMPTY" ;//非空字符串
	public static final String MAX = "MAX" ;
	public static final String MIN = "MIN" ;
	public static final String COUNT = "COUNT" ;
	public static final String GROUP = "GROUP" ;
	public static final String DISTINCT = "DISTINCT" ;
	
}
